Wiktionary
superpowerful
a. Very powerful; having, or capable of exerting great power, potency, or influence.
Usage examples of "superpowerful".
Superpowerful megacorps dominate the economic and political scenes, and espionage and covert violence characterize international relations.
And industry was turning away from the diamond-encrusted CRAYs, made of a small number of superpowerful processors, and toward less pricey massively parallel computers made up of thousands of inexpensive microprocessors.